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Electrohydraulic control systems with external electronics


  • Available for A4VSO, A4VBO, A4VSG and A4CSG
  • Electrohydraulic control with proportional and control valve
  • Digital electrohydraulic control systems with amplifier
  • Control of swivel angle, pressure and power (HS5P)
  • Usable as a special version in mooring operation (overcenter)
  • Available for A4VSO and A4VBO
  • For the electrohydraulic control of pressure, flow and power
  • Internal pilot pressure or with external control pump, optional
  • Rapid decompression via pump by flow direction change as standard
  • Rotary group optimized for long standby operating times
  • Available for A4VSO
  • Highly dynamic rotary drive for open circuit
  • Motor and generator operation for both directions of rotation
  • With energy recovery and energy storage
  • With closed loop rotational speed, position, or torque control for high control performance and dynamics
  • Available for A4VSG
  • Highly dynamic rotary drive for closed circuit
  • Motor and generator operation for both directions of rotation
  • With energy recovery and energy storage
  • With closed loop rotational speed, position, or torque control for high control performance and dynamics


Subject to change, status 2019-07-08 19:20:05